public override bool Merge(BaseCommand other)
{
if (!m_DupeInPlace)
{
return(false);
}
// If we duplicated a selection in place (the stamp feature), subsequent movements of
// the selection should get bundled up with this command as a child.
MoveWidgetCommand move = other as MoveWidgetCommand;
if (move != null)
{
if (m_Children.Count == 0)
{
m_Children.Add(other);
}
else
{
MoveWidgetCommand childMove = m_Children[0] as MoveWidgetCommand;
Debug.Assert(childMove != null);
return(childMove.Merge(other));
}
return(true);
}
return(false);
}
public override bool Merge(BaseCommand other)
{
if (base.Merge(other))
{
return(true);
}
if (m_Final)
{
return(false);
}
MoveWidgetCommand move = other as MoveWidgetCommand;
if (move != null && m_Widget == move.m_Widget)
{
m_EndTransform = move.m_EndTransform;
m_CustomDimension.endState = move.m_CustomDimension.endState;
// Not used if (m_Type != Type.Selection)
m_EndSelectionTransform = move.m_EndSelectionTransform;
m_Final = move.m_Final;
return(true);
}
HideWidgetCommand hide = other as HideWidgetCommand;
if (hide != null && m_Widget == hide.Widget)
{
m_Children.Add(hide);
m_Final = true;
return(true);
}
PinWidgetCommand pin = other as PinWidgetCommand;
if (pin != null && m_Widget == pin.Widget)
{
m_Children.Add(pin);
if (pin.IsPinning)
{
m_Final = true;
}
return(true);
}
// Strokes are deleted right after a move if the SelectionWidget is tossed.
DeleteSelectionCommand delete = other as DeleteSelectionCommand;
if (delete != null && m_Type == Type.Selection)
{
m_Children.Add(delete);
m_Final = true;
return(true);
}
// If a widget has been tossed but the animation is not yet complete, finish it here.
if (m_Widget.IsTossed() || m_Widget.IsHiding())
{
if (m_Type == Type.Selection)
{
// Additional "hide now" logic if the there is a selection that needs to be deleted
// when the selection widget hides.
DeleteSelectionCommand del = SelectionManager.m_Instance.CurrentDeleteSelectionCommand();
del.Redo();
m_Children.Add(del);
SelectionManager.m_Instance.ResolveChanges();
}
m_Widget.HideNow();
HideWidgetCommand hideComm = new HideWidgetCommand(m_Widget);
hideComm.Redo();
m_Children.Add(hideComm);
if (m_Type == Type.Selection)
{
// If a selection is made while the selection widget is animating out, the transform
// passed into the SelectCommand constructor is incorrect. It should always be the identity
// because it is the transform of a new selection since the previous selection was deleted.
SelectCommand select = other as SelectCommand;
if (select != null)
{
select.ResetInitialTransform();
}
}
}
// Mark as final if a merge is failed, because a non-compatible command was pushed on top.
// This will prevent future move commands from merging if the non-compatible command is undone.
m_Final = true;
return(false);
}
